EP3833465A1 - Matériau inorganique, particulaire et poreux, à base de phosphate d'argent, pour l'adsorption et la capture d'iode gazeux, son procédé de préparation et ses utilisations - Google Patents
Matériau inorganique, particulaire et poreux, à base de phosphate d'argent, pour l'adsorption et la capture d'iode gazeux, son procédé de préparation et ses utilisationsInfo
- Publication number
- EP3833465A1 EP3833465A1 EP19790685.2A EP19790685A EP3833465A1 EP 3833465 A1 EP3833465 A1 EP 3833465A1 EP 19790685 A EP19790685 A EP 19790685A EP 3833465 A1 EP3833465 A1 EP 3833465A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- iodine
- silver
- gaseous
- aqueous solution
- beads
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/0203—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
- B01J20/0233—Compounds of Cu, Ag, Au
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/0203—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
- B01J20/0274—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04 characterised by the type of anion
- B01J20/0292—Phosphates of compounds other than those provided for in B01J20/048
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/223—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material containing metals, e.g. organo-metallic compounds, coordination complexes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28002—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their physical properties
- B01J20/28004—Sorbent size or size distribution, e.g. particle size
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/3007—Moulding, shaping or extruding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/3078—Thermal treatment, e.g. calcining or pyrolizing
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
- G21F9/02—Treating gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/112—Metals or metal compounds not provided for in B01D2253/104 or B01D2253/106
- B01D2253/1122—Metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/25—Coated, impregnated or composite adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/20—Halogens or halogen compounds
- B01D2257/202—Single element halogens
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Definitions
- the invention relates to the field of treatment of gaseous effluents comprising iodine and, in particular, radioactive iodine.
- an inorganic, particulate and porous material which has a strong capacity to adsorb and retain iodine in the gaseous state when it is brought into contact with this iodine and which, once loaded with iodine , can be transformed, by a simple heat treatment, into a vitreous or vitroceramic matrix in which the iodine is confined.
- the invention finds particular application in the field of the treatment of spent nuclear fuels where it is capable of being used to condition and store in a matrix the radioactive iodine present in the gaseous effluents produced during this treatment and, in particular, iodine-129, for example in the case where the management of this iodine by isotopic dilution in marine iodine is not possible.
- Iodine-129 is a fission product of medium activity with long life (half-life of 15.7 million years) which is generated during the fission reactions of uranium and plutonium in nuclear power plants and which is therefore present in spent nuclear fuel.
- iodine-129 In France, the management of iodine-129 is essentially based on an isotopic dilution in marine iodine, i.e. by discharge into the sea.
- isotopic dilution in marine iodine i.e. by discharge into the sea.
- research is being carried out on alternative management methods for iodine-129 and, in particular, on its packaging in a stable, durable matrix resistant to dissemination by vectors such as water, with a view to its storage in a deep geological layer.
- the aerogels are not loaded with iodine, they are subjected, whatever the heat treatment, to a temperature of 1200 ° C - which can be unsuitable for conditioning of the iodine-129 taking into account its volatilization at such a temperature - and at a pressure which is 29 MPa for the HUP treatment, 207 MPa for the HIP treatment and 70 MPa for the SPS treatment.
- References [1] and [2] are examples among others which show the need but also the difficulty which exist to develop a material which is capable of very effectively adsorbing iodine-129 when this one is with l 'gaseous state and which can then be directly consolidated into a conditioning matrix by thermal treatment which can:
- the invention precisely aims to propose, first, an inorganic, particulate and porous material, which is endowed with a strong capacity to adsorb iodine to the gaseous state when it is brought into contact with this gaseous iodine and which, once loaded with iodine, can be transformed, by a simple heat treatment, into a vitreous or vitroceramic matrix in which the iodine is confined.
- This material is formed of particles which each comprise a solid phase, the solid phase comprising silver in the oxidized state bound to phosphorus as well as open pores, interconnected, the surface of which comprises silver in the state of metal, which is able to react with iodine to form silver iodide, Agi.
- inorganic material a material which does not include carbon or hydrogen
- pores which not only emerge on the surface of the solid phase and, consequently, on the surface of the particles - and which therefore communicate with the exterior of these particles - but also communicate with other pores, themselves communicating or not with the outside of the particles;
- silver in the oxidation state denoted Ag °.
- vitreous matrix is understood to mean a matrix consisting of a glass devoid of any crystalline phase
- vitrroceramic matrix means a matrix consisting of a glass comprising one or more crystalline phases.
- the solid phase of the particles can also comprise silver in the oxidized state linked to one or more cations chosen from molybdenum, boron, vanadium, chromium and tungsten and / or a or several metal oxides such as AI2O3, B12O3, Ga2 ⁇ 3, Nb2 ⁇ 5, ZnO, etc.
- the particles forming the material have dimensions (as determined, for example, by laser particle size) of between 300 ⁇ m and 3000 ⁇ m.
- the material of the invention can in particular be prepared by a process which comprises the steps of: a) preparation of an aqueous solution Al comprising an alginate of an alkali metal and an inorganic material which comprises silver phosphate and, optionally, one or more oxidized silver compounds linked to a cation chosen from molybdenum, boron, vanadium, chromium and tungsten and / or one or more metal oxides;
- the invention also relates to this preparation process.
- the silver compound (s) capable of being present in the aqueous solution Al in addition to the silver phosphate, can in particular be chosen from silver molybdate Ag 2 Mo0 4 , silver borates AgB0 2 , AgBsOs , Ag 3 B0 3 and Ag 2 B 4 0 7 , the silver vanadates AgVÜ 3 , Ag 3 V0 4 and Ag 4 V 2Ü7 , the silver chromates AgCr0 3 and Ag 2 Cr0 4 , and the silver tungstates Ag 2 W0 4 and AgW0 3 .
- the metal oxide or metal oxides which may be present in the aqueous solution Al it may be one of the abovementioned oxides or more of them.
- the alkali metal alginate is advantageously a sodium or potassium alginate, preferably being given to a sodium alginate.
- This sodium alginate is, for example, the alginate having the CAS number 9005-38-3 and which is available from the company Sigma-Aldrich under the name "Alginic acid sodium knows”.
- This salt has a dynamic viscosity of 15 to 25 cP for a mass concentration of 1% in water at 20 ° C.
- the aqueous solution Al preferably comprises from 5% to 10% by mass of inorganic material, the mass percentages being related to the mass of the aqueous solution Al.
- the inorganic material present in the aqueous solution Al only comprises silver phosphate, then the silver phosphate preferably represents from 5% to 10% by mass of the aqueous solution Al; while
- the inorganic material present in the aqueous solution Al comprises, in addition to silver phosphate, one or more oxidized silver compounds linked to a cation chosen from Mo, B, V, Cr and W, and / or one or more metal oxides, then it is the sum of the masses of the components of the organic matter which preferably represents from 5% to 10% of the mass of the aqueous solution Al; in which case, the silver phosphate advantageously represents from 2.5% to 5% by mass of the aqueous solution Al.
- the alkali metal alginate represents, for its part, preferably from 0.5% to 3% by mass of the aqueous solution Al.
- the alkaline earth metal salt of the aqueous solution A2 is a calcium or barium salt, while the counterion is the nitrate ion.
- the extrusion can be carried out by any device which makes it possible to deliver the aqueous solution Al in a divided form and, in particular in the form of drops, in the aqueous solution A2 such as a syringe provided with a needle or a conduit which comprises , at one of its ends, a needle and the other end of which is connected to a pump, for example a peristaltic pump.
- a syringe provided with a needle or a conduit which comprises , at one of its ends, a needle and the other end of which is connected to a pump, for example a peristaltic pump.
- the preparation process advantageously further comprises, between step b) and step c), replacing all or part of the water of the hydrogel with an organic solvent having a temperature d standard boiling (i.e. a boiling temperature at a pressure of 1013.25 hPa) below the standard boiling temperature of water or, in other words, below 100 ° C, in view facilitate drying of the beads in step c).
- a temperature d standard boiling i.e. a boiling temperature at a pressure of 1013.25 hPa
- the organic solvent is, for example, an alcohol such as methanol or ethanol, preferably being given to ethanol.
- the hydrogel water As for replacing all or part of the hydrogel water with an organic solvent, it can be carried out by draining the beads obtained in step b), rinsing them with water and then immersing them in a succession of baths including either only the organic solvent or a water / organic solvent mixture of increasing volume concentration of organic solvent.
- the drying of the beads obtained in step b) or after replacement of all or part of the water of the hydrogel with an organic solvent is, for example, carried out by placing these beads in a regulated heating oven, for example at the temperature of 60 ° C, for several hours.
- the calcination of the beads thus dried it is preferably carried out by placing the beads in an oven, with a temperature ramp of 5 ° C / min to reach a temperature ranging from 300 ° C to 600 ° C and, better still, from 400 ° C to 500 ° C, for 1 to 5 hours.
- the invention also relates to the use of a material as defined above for adsorbing gaseous iodine by bringing this material into contact with the gaseous iodine.
- the invention further relates to the use of a material as defined above for capturing iodine present in a gaseous effluent by bringing this material into contact with the gaseous effluent.
- the subject of the invention is also a method for treating a gaseous effluent comprising iodine, which comprises the steps of:
- the glass which constitutes the vitreous matrix or the vitreous part of the vitroceramic matrix is a glass based on silver phosphate.
- step ii) preferably comprises heating the material at a temperature ranging from 400 ° C to 650 ° C, for 30 minutes to 2 hours.
- the invention finally relates to a process for conditioning gaseous iodine in a vitreous or glass-ceramic matrix, which comprises the implementation of the process for treating a gaseous effluent comprising iodine as defined above.
- the iodine present in the gaseous effluent is preferably radioactive iodine and, in particular, iodine-129.
- FIGS. 1A, IB and IC are images taken with a scanning electron microscope (SEM) of a particle of a first material of the invention before exposure to diiode vapors;
- FIG. 1A is an image taken in electron mode secondary to a magnification of xl46, while
- FIGS. 1B and 1C are images taken in electron mode backscattered at a magnification of xl46 and x5000 respectively.
- FIGS. 2A, 2B and 2C are SEM images of a particle of a second material of the invention before exposure to diiode vapors;
- FIG. 2A is an image taken in electron mode secondary to a magnification of x90, while
- FIGS. 2B and 2C are images taken in electron mode backscattered at a magnification of x90 and x2331 respectively.
- FIGS. 3A and 3B are SEM images of a particle of the first material of the invention after exposure to diiode vapors;
- FIG. 3A is an image taken in electron mode secondary to a magnification of x136 while
- FIG. 3B is an image taken in electron backscattered mode at a magnification of xl346.
- FIGS. 4A and 4B are SEM images of a particle of the second material of the invention after exposure to diiode vapors, in electron mode secondary to a magnification of x100 and x562 respectively.
- sodium alginate Sigma-Aldrich
- Al aqueous solution of silver phosphate Ag 3 P0 4
- magnetic stirring to obtain an aqueous solution called Al, comprising 7.5% by mass of silver phosphate and 1% by mass of sodium alginate (i.e. 7.5 g of silver phosphate and 1 g of sodium alginate per 100 ml of water) which is maintained under low magnetic stirring for 4 hours ;
- the aqueous solution Al is extruded in the form of drops in an aqueous solution called A2, which is under magnetic stirring and which comprises 0.27 mol / L of calcium nitrate Ca (N0 3 ) 2 for the material 1 and 0 , 27 mol / L of barium nitrate Ba (N0 3 ) 2 for material 2;
- this extrusion consists in circulating the aqueous solution Al in a conduit which comprises, at one of its ends, a needle and the other end of which is connected to a peristaltic pump, and in making drop by drop, via the opening of the tip of the needle, the aqueous solution Al in the aqueous solution A2, whereby gelatinous beads are obtained, of dimensions typically between 0.5 mm and 10 mm; these beads are formed of silver phosphate and calcium alginate for material 1 and silver phosphate and barium alginate for material 2, the divalent calcium and barium ions having, in effect, replaced the ions monovalent alginate sodium during extru
- the gelatinous beads obtained at the end of step 2) are subjected to a water / ethanol exchange, which allows the hydrogel which constitutes them to be transformed into an alcohol gel; to do this, the beads are drained, rinsed with water and placed in immersion in an ethanol bath for 10 minutes; this immersion is repeated three times; 4) the alcohol gel beads obtained at the end of step 3 are subjected to drying at 60 ° C for 16 hours; then
- the dried alcohol gel beads are subjected to calcination at 500 ° C for 3 hours in air (with a temperature ramp of 5 ° C / min).
- the alginate present in the alcohol gel beads is decomposed and these beads transform into particles, of dimensions typically between 300 ⁇ m and 3000 ⁇ m, and which comprise an inorganic skeleton composed of silver phosphate and of silver in the state of metal, Ag °.
- the initial presence of organic matter, represented by alginate, in the beads makes it possible both to generate porosity and to reduce part of the Ag + ions present in silver phosphate to Ag °.
- Ag 0 "nodules" are formed which will be reactive sites for the subsequent adsorption and fixation of gaseous iodine since silver in the state of metal reacts with iodine under molecular form to form silver iodide, Agi.
- the Ag 2 0 / P 2 0 5 molar ratio of the non-metallic fraction is also lowered ( ⁇ 3), which is more favorable for the final production of a homogeneous vitreous matrix.
- Materials 1 and 2 have an adsorption and fixation capacity for gaseous iodine which varies between 207 mg and 400 mg per g of material, i.e. a capacity which is at the top of the range of adsorption capacities. and fixation presented by solid adsorbents which are currently used to capture iodine present in gaseous effluents in spent nuclear fuel processing plants.
- Figures IA, IB and IC correspond to the images obtained for a particle of the material 1 (with a magnification of xl46 for Figures IA and IB and x5000 for Figure IC), while Figures 2A, 2B and 2C correspond to the images obtained for a particle of material 2 (with a magnification of x90 for Figures 2A and 2B and a magnification of x2331 for Figure 2C).
- the particle of material 1 comprises a matrix rich in silver, oxygen and phosphorus with traces of calcium;
- the particle of material 2 comprises a matrix rich in silver, oxygen and phosphorus with traces of barium;
- the particles of materials 1 and 2 are again subjected to analyzes by scanning electron microscope.
- FIGS. 3A and 3B correspond to the images obtained for a particle of the material 1 (with a magnification of x116 for FIG. 3A and xl346 for FIG. 3B), while FIGS. 4A and 4B correspond to the images obtained for a particle of material 2 (with a magnification of x100 for figure 4A and x562 for figure 4B).
- the surface of the particles has an Agi envelope following the reaction of the Ag 0 nodules with the diiode vapors. Due to the higher molar volume of Agl compared to the metallic silver of the nodules, silver iodide may eventually completely cover the surface of the particles.
- the materials 1 and 2 loaded with iodine, obtained in point II above, are subjected to a heat treatment in a muffle oven previously brought to a temperature of 650 ° C. for one hour then removed hot from the oven to be subjected to air quenching.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- General Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Thermal Sciences (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1858832A FR3086189B1 (fr) | 2018-09-26 | 2018-09-26 | Materiau inorganique, particulaire et poreux, a base de phosphate d’argent, pour l’adsorption et la capture d’iode gazeux, son procede de preparation et ses utilisations |
| PCT/FR2019/052216 WO2020065186A1 (fr) | 2018-09-26 | 2019-09-23 | Matériau inorganique, particulaire et poreux, à base de phosphate d'argent, pour l'adsorption et la capture d'iode gazeux, son procédé de préparation et ses utilisations |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3833465A1 true EP3833465A1 (fr) | 2021-06-16 |
| EP3833465B1 EP3833465B1 (fr) | 2024-07-17 |
Family
ID=65685510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19790685.2A Active EP3833465B1 (fr) | 2018-09-26 | 2019-09-23 | Matériau inorganique, particulaire et poreux, à base de phosphate d'argent, pour l'adsorption et la capture d'iode gazeux, son procédé de préparation et ses utilisations |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP3833465B1 (fr) |
| JP (1) | JP7475338B2 (fr) |
| CN (1) | CN112672809B (fr) |
| FR (1) | FR3086189B1 (fr) |
| WO (1) | WO2020065186A1 (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7313922B2 (ja) * | 2019-06-20 | 2023-07-25 | 日本化学工業株式会社 | ヨウ化物イオン吸着剤及びその製造方法 |
| CN111841506B (zh) * | 2020-07-24 | 2022-03-04 | 西南科技大学 | 一种铋基胶原纤维高效捕获碘蒸气材料的制备方法 |
| CN111841505B (zh) * | 2020-07-24 | 2022-03-04 | 西南科技大学 | 一种高效捕获碘蒸气胶原纤维气凝胶材料的制备方法 |
| CN112958033B (zh) * | 2021-01-26 | 2022-04-12 | 浙江大学 | 一种以泡沫镍为骨架的气态碘吸附材料及其制备方法和应用 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56108532A (en) * | 1980-02-04 | 1981-08-28 | Hitachi Ltd | Iodine adsorbing material and preparation thereof |
| US4933159A (en) * | 1989-11-02 | 1990-06-12 | Phillips Petroleum Company | Sorption of trialkyl arsines |
| US5091358A (en) * | 1990-06-27 | 1992-02-25 | United Technologies Corporation | Regenerable CO2 /H2 O solid sorbent |
| JP3119755B2 (ja) * | 1993-01-18 | 2000-12-25 | 株式会社日立製作所 | オフガス処理設備及びヨウ素吸着材とその製造方法 |
| JP3232993B2 (ja) * | 1995-12-20 | 2001-11-26 | 株式会社日立製作所 | 放射性廃棄物の処理方法 |
| JPH11337689A (ja) * | 1998-05-26 | 1999-12-10 | Ishikawajima Harima Heavy Ind Co Ltd | ヨウ化銀処理方法 |
| US8262950B1 (en) * | 2008-11-13 | 2012-09-11 | Sandia Corporation | Low sintering temperature glass waste forms for sequestering radioactive iodine |
| CN103058261B (zh) * | 2013-01-15 | 2014-09-17 | 中国科学院青海盐湖研究所 | 利用含碘卤水制备碘化银的方法 |
| JP6224379B2 (ja) * | 2013-08-28 | 2017-11-01 | 三菱重工業株式会社 | 放射性ヨウ素除去装置 |
| JP5969636B2 (ja) * | 2015-01-26 | 2016-08-17 | 日本化学工業株式会社 | 吸着剤及びその製造方法 |
-
2018
- 2018-09-26 FR FR1858832A patent/FR3086189B1/fr active Active
-
2019
- 2019-09-23 JP JP2021516732A patent/JP7475338B2/ja active Active
- 2019-09-23 CN CN201980059027.9A patent/CN112672809B/zh active Active
- 2019-09-23 EP EP19790685.2A patent/EP3833465B1/fr active Active
- 2019-09-23 WO PCT/FR2019/052216 patent/WO2020065186A1/fr not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| JP7475338B2 (ja) | 2024-04-26 |
| EP3833465B1 (fr) | 2024-07-17 |
| FR3086189B1 (fr) | 2022-07-08 |
| FR3086189A1 (fr) | 2020-03-27 |
| CN112672809A (zh) | 2021-04-16 |
| CN112672809B (zh) | 2024-06-11 |
| JP2022502639A (ja) | 2022-01-11 |
| WO2020065186A1 (fr) | 2020-04-02 |
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